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在获得新的保护区时预测人类造成的威胁
Heidi J Albers1, Charlotte H Chang2,3,4, Sahan T M Dissanayake5
1Department of Economics, University of Wyoming, Laramie, Wyoming, USA.
概括
保护规划可以通过考虑人类威胁和执法来提高保护区的有效性. 整合威胁数据和缓解策略可以在不增加成本的情况下加强生物多样性保护.
科学领域:
- 保护生物学 保护生物学
- 环境管理环境管理
- 空间规划 空间规划 空间规划
背景情况:
- 尽管有保护区扩张和保护工作,生物多样性损失仍在持续.
- 现有的保护区面临生物多样性下降,原因是未解决的后实施威胁.
- 当前的保护区选择方法往往忽视了持续的人类压力.
研究的目的:
- 开发和应用一个保护规划框架,将人为威胁和执法整合到选址中.
- 评估将威胁信息和缓解活动纳入保护区规划中的成本效益.
- 识别影响威胁信息化保护战略效益的景观特征.
主要方法:
- 开发了一个新的保护规划框架,包括持续的威胁和计划的执法活动.
- 将框架应用于各种景观,物种丰富和威胁水平之间的相关性各不相同.
- 分析了威胁信息和执法对保护区利益和成本效益的影响.
主要成果:
- 整合威胁信息和执法活动显著提高了保护区的好处,而无需增加预算.
- 单靠威胁数据就提高了每单位成本的物种保护,特别是在随机分布的威胁的景观中.
- 威胁信息和执法所带来的最大好处是在人类威胁与高物种丰富度重叠的地区观察到的.
结论:
- 考虑到人为威胁和缓解策略的保护规划框架可以提高保护区的有效性.
- 优先考虑威胁评估和缓解在具有高物种丰富度和高威胁水平的景观中是最有益的.
- 决策者在投资威胁信息获取和减轻保护规划活动时,应考虑景观特异性威胁动态.
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